Question 1

In osseointegration, a layer of fibrous tissue remains to help cushion the implant. Osseointegration involves ankyloses of the implant.

Accepted Answer

A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect. 
A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect. C

Question 2

How is the endosseous implant placed once the implant site is prepared?

Accepted Answer

A)  Pounding it into place with a small hammer 
B)  Screwing the implant into the site 
C)  Friction-fitting the implant 
D)  Both A and B 
E)  Both B and C 
A)  Pounding it into place with a small hammer 
B)  Screwing the implant into the site 
C)  Friction-fitting the implant 
D)  Both A and B 
E)  Both B and C E

Question 3

Occlusal forces on natural teeth favor bone maintenance. Occlusal loads on dental implants are transmitted to bone mostly by compressive forces and improve osseointegration.

Accepted Answer

A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect. 
A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect. B

Question 4

In general, _______ surfaces and those with ______ surface areas promote the greatest amounts of bone-implant contact during osseointegration of endosseous implants.

Accepted Answer

A)  rougher; greater 
B)  rougher; smaller 
C)  smoother; greater 
D)  smoother; smaller 
A)  rougher; greater 
B)  rougher; smaller 
C)  smoother; greater 
D)  smoother; smaller

Question 5

In what way were early implant strategies painful?

Accepted Answer

A)  Had low incidence of postoperative infection 
B)  Required aggressive techniques 
C)  Used biocompatible materials 
D)  Were successful long term 
A)  Had low incidence of postoperative infection 
B)  Required aggressive techniques 
C)  Used biocompatible materials 
D)  Were successful long term

Question 6

Instrumentation with ___________ is considered to be appropriate for maintaining oral hygiene around dental implants.

Accepted Answer

A)  sonic scalers 
B)  metal scalers 
C)  metal curettes 
D)  plastic scalers 
E)  ultrasonic scalers 
A)  sonic scalers 
B)  metal scalers 
C)  metal curettes 
D)  plastic scalers 
E)  ultrasonic scalers

Question 7

What could occur if the temperature during the osteotomy exceeds 37° C?

Accepted Answer

A)  Tissue damage 
B)  Inflammation 
C)  Post-operative infection 
D)  All of the above 
E)  Only A and B are correct. 
A)  Tissue damage 
B)  Inflammation 
C)  Post-operative infection 
D)  All of the above 
E)  Only A and B are correct.

Question 8

Which of the following statements is(are) true about the surface of commercially pure titanium or titanium alloy?

Accepted Answer

A)  Both are covered with a complex mixture of adherent titanium oxides. 
B)  Oxides rich in oxygen are closer to the surface. 
C)  Oxides rich in oxygen are closer to the alloy. 
D)  A and B are true statements. 
E)  A and C are true statements. 
A)  Both are covered with a complex mixture of adherent titanium oxides. 
B)  Oxides rich in oxygen are closer to the surface. 
C)  Oxides rich in oxygen are closer to the alloy. 
D)  A and B are true statements. 
E)  A and C are true statements.

Question 9

Endosseous implants provide an esthetic substitute for a lost or missing tooth. They are placed to restore lost centric occlusion.

Accepted Answer

A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect. 
A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect.

Question 10

During two-step endosseous implant placement, a ___________ is placed on top of the implant to cover internal threads once the implant is placed into bone.

Accepted Answer

A)  temporary acrylic spacer 
B)  temporary stayplate 
C)  space maintainer 
D)  healing cap 
A)  temporary acrylic spacer 
B)  temporary stayplate 
C)  space maintainer 
D)  healing cap

Question 11

The thickness of most ceramic coatings on implants ranges from _____ to _____ microns.

Accepted Answer

A)  2; 5 
B)  5; 10 
C)  10; 50 
D)  50; 100 
E)  100; 500 
A)  2; 5 
B)  5; 10 
C)  10; 50 
D)  50; 100 
E)  100; 500

Question 12

By which method are ceramic implants retained?

Accepted Answer

A)  Ankylosis 
B)  Biointegration 
C)  Osseointegration 
D)  All of the above 
E)  Only A and C 
A)  Ankylosis 
B)  Biointegration 
C)  Osseointegration 
D)  All of the above 
E)  Only A and C

Question 13

What occurs during the second stage of a two-stage implant placement where a second surgery is performed to remove the healing caps?

Accepted Answer

A)  Recontour the osseous crest of bone 
B)  Recontour gingival tissue 
C)  Place the abutment caps 
D)  Place the abutments 
A)  Recontour the osseous crest of bone 
B)  Recontour gingival tissue 
C)  Place the abutment caps 
D)  Place the abutments

Question 14

What causes peri-implantitis?

Accepted Answer

A)  Ineffective plaque removal 
B)  Poor osseointegration 
C)  High occlusal forces 
D)  Horizontal bone loss 
A)  Ineffective plaque removal 
B)  Poor osseointegration 
C)  High occlusal forces 
D)  Horizontal bone loss

Question 15

The bone is prepared for an endosseous dental implant with special metallic burs driven at _____ speeds _____ water cooling.

Accepted Answer

A)  high; without 
B)  slow; without 
C)  high; with 
D)  slow; with 
A)  high; without 
B)  slow; without 
C)  high; with 
D)  slow; with

Question 16

What are the most common ceramic implants made of?

Accepted Answer

A)  Silica 
B)  Quartz 
C)  Zirconia 
D)  Feldspar 
A)  Silica 
B)  Quartz 
C)  Zirconia 
D)  Feldspar

Question 17

How does titanium alloy, used for implants, differ from commercially pure titanium?

Accepted Answer

A)  Contains 6 wt % aluminum 
B)  Contains 4 wt % vanadium 
C)  Contains 4 wt % aluminum 
D)  Both A and B 
E)  Both B and C 
A)  Contains 6 wt % aluminum 
B)  Contains 4 wt % vanadium 
C)  Contains 4 wt % aluminum 
D)  Both A and B 
E)  Both B and C

Question 18

Burs for preparation of the implant site are composed of which type of special alloy?

Accepted Answer

A)  Nickel 
B)  Titanium 
C)  Platinum 
D)  Stainless steel 
A)  Nickel 
B)  Titanium 
C)  Platinum 
D)  Stainless steel

Question 19

How long should an extraction site heal prior to placing an implant?

Accepted Answer

A)  6 weeks 
B)  6 months 
C)  8 weeks 
D)  8 months 
A)  6 weeks 
B)  6 months 
C)  8 weeks 
D)  8 months

Question 20

What will occur if bone is heated to high temperatures during implant placement?

Accepted Answer

A)  Damage tissue 
B)  Trigger inflammation 
C)  Promote rapid healing 
D)  A and B are correct. 
E)  A and C are correct. 
A)  Damage tissue 
B)  Trigger inflammation 
C)  Promote rapid healing 
D)  A and B are correct. 
E)  A and C are correct.

In osseointegration, a layer of fibrous tissue remains to help cushion the implant. Osseointegration involves ankyloses of the implant.

How is the endosseous implant placed once the implant site is prepared?

Occlusal forces on natural teeth favor bone maintenance. Occlusal loads on dental implants are transmitted to bone mostly by compressive forces and improve osseointegration.

In general, _ surfaces and those with surface areas promote the greatest amounts of bone-implant contact during osseointegration of endosseous implants.

In what way were early implant strategies painful?

Instrumentation with ___________ is considered to be appropriate for maintaining oral hygiene around dental implants.

What could occur if the temperature during the osteotomy exceeds 37° C?

Which of the following statements is(are) true about the surface of commercially pure titanium or titanium alloy?

Endosseous implants provide an esthetic substitute for a lost or missing tooth. They are placed to restore lost centric occlusion.

During two-step endosseous implant placement, a ___________ is placed on top of the implant to cover internal threads once the implant is placed into bone.

The thickness of most ceramic coatings on implants ranges from _ to _ microns.

By which method are ceramic implants retained?

What occurs during the second stage of a two-stage implant placement where a second surgery is performed to remove the healing caps?

What causes peri-implantitis?

The bone is prepared for an endosseous dental implant with special metallic burs driven at _ speeds _ water cooling.

What are the most common ceramic implants made of?

How does titanium alloy, used for implants, differ from commercially pure titanium?

Burs for preparation of the implant site are composed of which type of special alloy?

How long should an extraction site heal prior to placing an implant?

What will occur if bone is heated to high temperatures during implant placement?

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Finishing, Polishing, and Cleansing Materials

Cements

Impression Materials

Model and Die Materials

Waxes

Casting Alloys, Wrought Alloys, and Solders

Casting, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Filters

Exam 15: Dental Implants

In osseointegration, a layer of fibrous tissue remains to help cushion the implant. Osseointegration involves ankyloses of the implant.

How is the endosseous implant placed once the implant site is prepared?

Occlusal forces on natural teeth favor bone maintenance. Occlusal loads on dental implants are transmitted to bone mostly by compressive forces and improve osseointegration.

In general, _______ surfaces and those with ______ surface areas promote the greatest amounts of bone-implant contact during osseointegration of endosseous implants.

In what way were early implant strategies painful?

Instrumentation with ___________ is considered to be appropriate for maintaining oral hygiene around dental implants.

What could occur if the temperature during the osteotomy exceeds 37° C?

Which of the following statements is(are) true about the surface of commercially pure titanium or titanium alloy?

Endosseous implants provide an esthetic substitute for a lost or missing tooth. They are placed to restore lost centric occlusion.

During two-step endosseous implant placement, a ___________ is placed on top of the implant to cover internal threads once the implant is placed into bone.

The thickness of most ceramic coatings on implants ranges from _____ to _____ microns.

By which method are ceramic implants retained?

What occurs during the second stage of a two-stage implant placement where a second surgery is performed to remove the healing caps?

What causes peri-implantitis?

The bone is prepared for an endosseous dental implant with special metallic burs driven at _____ speeds _____ water cooling.

What are the most common ceramic implants made of?

How does titanium alloy, used for implants, differ from commercially pure titanium?

Burs for preparation of the implant site are composed of which type of special alloy?

How long should an extraction site heal prior to placing an implant?

What will occur if bone is heated to high temperatures during implant placement?

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Finishing, Polishing, and Cleansing Materials

Cements

Impression Materials

Model and Die Materials

Waxes

Casting Alloys, Wrought Alloys, and Solders

Casting, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Filters

In general, _ surfaces and those with surface areas promote the greatest amounts of bone-implant contact during osseointegration of endosseous implants.

The thickness of most ceramic coatings on implants ranges from _ to _ microns.

The bone is prepared for an endosseous dental implant with special metallic burs driven at _ speeds _ water cooling.